Alert archive / Illinois / Winter Storm Warnings / 2025
Winter Storm Warnings in Illinois, November 2025
5 winter storm warnings in November 2025. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of winter storm warnings reaches back to 2005.
Winter Storm Warnings by county
Each county as a circle sized by its count in November 2025. Tap one for its archive.
- Winter Storm Warnings
- 5
- Busiest day
- November 28, 20253 winter storm warnings
Over time
By day
Days in UTC, the clock the archive keeps.
The alerts
Every alert, in the order issued. Times are local, Central Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 9, 2:24 AM CST | Winter Storm Warning | LOT | Cook, Kankakee, Lake, Will | 31 hr |
| Nov 27, 2:09 PM CST | Winter Storm Warning | DVN | Bureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 7 more | 60 hr |
| Nov 28, 2:03 AM CST | Winter Storm Warning | LOT | Boone, Cook, DeKalb, DuPage, Ford, Grundy and 12 more | 48 hr |
| Nov 28, 2:06 AM CST | Winter Storm Warning | ILX | Cass, Champaign, Christian, Coles, DeWitt, Douglas and 21 more | 43 hr |
| Nov 28, 2:17 AM CST | Winter Storm Warning | LSX | Adams, Brown, Calhoun, Greene, Jersey, Macoupin and 2 more | 39 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Cook County2
- Kankakee County2
- Lake County2
- Will County2
- Bureau County1
- Carroll County1
- Hancock County1
- Henderson County1
- Henry County1
- Jo Daviess County1
- McDonough County1
- Mercer County1
- Putnam County1
- Rock Island County1
- Stephenson County1
- Warren County1
- Whiteside County1
- Boone County1
- DeKalb County1
- DuPage County1
- Ford County1
- Grundy County1
- Iroquois County1
- Kane County1
- Kendall County1
- LaSalle County1
- Lee County1
- Livingston County1
- McHenry County1
- Ogle County1
- Winnebago County1
- Cass County1
- Champaign County1
- Christian County1
- Coles County1
- DeWitt County1
- Douglas County1
- Edgar County1
- Fulton County1
- Knox County1
26 more counties
- Logan County1
- McLean County1
- Macon County1
- Marshall County1
- Mason County1
- Menard County1
- Morgan County1
- Moultrie County1
- Peoria County1
- Piatt County1
- Sangamon County1
- Schuyler County1
- Scott County1
- Shelby County1
- Stark County1
- Tazewell County1
- Vermilion County1
- Woodford County1
- Adams County1
- Brown County1
- Calhoun County1
- Greene County1
- Jersey County1
- Macoupin County1
- Montgomery County1
- Pike County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20242026
Sources
National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Warning verification from the Mesonet's Cow. Rebuilt daily.